TPS7A9001DSKR Integrated Circuits (ICs)

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TPS7A9001DSKR application field and working principle

The TPS7A9001DSKR is a low-noise, low-dropout (LDO) voltage regulator with a built-in integrated circuit (IC). Developed by Texas Instruments, the device is among the lead types of ultra-low operating current linear regulators which are designed to operate with extended span and high output current capability.

Application

The TPS7A9001DSKR is widely utilized in various application fields, numerous secure and reliable solutions worldwide. Products such as cell phone, tablet PC, and notebook, etc. usually require very precise power sources. The TPS7A9001DSKR provides a precise and very low noise output current, with a wide output voltage range, fast transient response, and temperature drift.

The TPS7A9001DSKR is also applied in many military and aviation applications, because of its extreme temperature ranges and high resistance to vibration, radiation and electrostatic discharge. Any sensitive product, such as optical motors and remote laser systems, also require immense power stability from a very low-dropout voltage regulator like the TPS7A9001DSKR.

Working Principle

The low-noise, low-dropout voltage regulator TPS7A9001DSKR integrates an adjustable voltage reference, two input/output session switches, and two half-bridge current sources on one chip.

Unlike other regulators, the TPS7A9001DSKR is implemented as a switched-current regulator, opposed to a switched-mode regulator. Because of this design decision, the TPS7A9001DSKR is capable of providing a very low noise output, as well as a wide input voltage span and output current capability.

The TPS7A9001DSKR is a low-dropout voltage regulator and operates with a wide input voltage range from 0.4V to 18V, adjustable output voltage from 0.8V to 17V, and adjustable output current up to 1.2A. The device also features a fast transient response, is temperature compensated, and comes with integrated over-temperature protection.

By using a linear current regulator, the TPS7A9001DSKR has low noise operation, low power consumption, fast response time, and low transient response. The device also allows for fast shutdown, meaning it can be enabled and disabled quickly, and its operational stability makes the regulator suitable for high frequency circuit designs.

Conclusion

The TPS7A9001DSKR low-noise, low-dropout voltage regulator has a wide input voltage span and output current capability, fast transient response, and temperature drift. It is also very suitable for many military and aviation applications due to its extreme temperature ranges and high resistance to vibration, radiation, and electrostatic discharge. Usability and compatibility make the device suitable for numerous sensitive product designs, such as optical motors and remote laser systems.

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